4.104.114.84.95
Last change
on this file since df49c60 was
48bfd992,
checked in by Joel Sherrill <joel.sherrill@…>, on 11/30/99 at 19:58:02
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Renamed shm.h to shm_driver.h to avoid conflicts with POSIX shm.h.
Renamed file shmsupp/intr.c in some BSPs to shmsupp/cause_intr.c to
avoid conflict with rtems/src/intr.c (Classic API Interrupt Manager).
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-
Property mode set to
100644
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File size:
878 bytes
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Rev | Line | |
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[ac7d5ef0] | 1 | /* Shm_Get_packet |
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| 2 | * |
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| 3 | * This routine is the shared memory locked queue MPCI driver |
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| 4 | * routine used to obtain an empty message packet. |
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| 5 | * |
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| 6 | * Input parameters: |
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| 7 | * packet - address of pointer to packet |
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| 8 | * |
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| 9 | * Output parameters: |
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| 10 | * *(cpb->get_packet) - address of allocated packet |
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| 11 | * |
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[08311cc3] | 12 | * COPYRIGHT (c) 1989-1999. |
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[ac7d5ef0] | 13 | * On-Line Applications Research Corporation (OAR). |
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| 14 | * |
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[98e4ebf5] | 15 | * The license and distribution terms for this file may be |
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| 16 | * found in the file LICENSE in this distribution or at |
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[03f2154e] | 17 | * http://www.OARcorp.com/rtems/license.html. |
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[ac7d5ef0] | 18 | * |
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| 19 | * $Id$ |
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| 20 | */ |
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| 21 | |
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| 22 | #include <rtems.h> |
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[48bfd992] | 23 | #include "shm_driver.h" |
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[ac7d5ef0] | 24 | |
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| 25 | rtems_mpci_entry Shm_Get_packet( |
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| 26 | rtems_packet_prefix **packet |
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| 27 | ) |
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| 28 | { |
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| 29 | Shm_Envelope_control *ecb; |
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| 30 | |
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| 31 | ecb = Shm_Allocate_envelope(); |
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| 32 | if ( !ecb ) |
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| 33 | rtems_fatal_error_occurred ( SHM_NO_FREE_PKTS ); |
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| 34 | *packet = Shm_Envelope_control_to_packet_prefix_pointer( ecb ); |
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| 35 | } |
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